The cartoonlike bronze sculptures that adorn the 14th Street-Eighth Avenue subway station were joined by a rogue addition by a different creator Friday morning, alluding to an infamous scandal surrounding the original artist.

Starting this weekend, the MTA has stepped up the frequency of L Trains by adding 98 more round trips a week. But it’s not all good news for mass-transit riders. The Lexington Avenue subway line will be hit with major service disruptions this week.